Weather History for Chattanooga, TN

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Sunday, February 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 34 °F 45 °F  
Max Temperature 47 °F 55 °F 79 °F (1927)
Min Temperature 21 °F 34 °F 1 °F (1958)
Degree Days  
Heating Degree Days 31 20  
Month to date heating degree days 359 372  
Since 1 July heating degree days 2097 2417  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 2 0  
Moisture  
Dew Point 15 °F    
Average Humidity 54    
Maximum Humidity 84    
Minimum Humidity 23    
Precipitation  
Precipitation 0.00 in 0.17 in 2.54 in (1879)
Month to date precipitation 1.25 2.91  
Year to date precipitation 10.99 7.82  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.3 0.4  
Since 1 July snowfall 0.3 2.4  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.25 in    
Wind  
Wind Speed 2 mph (WNW)    
Max Wind Speed 14 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 17, 2013 Rise Set
Actual Time 7:24 AM EST 6:25 PM EST
Civil Twilight 6:58 AM EST 6:51 PM EST
Nautical Twilight 6:28 AM EST 7:21 PM EST
Astronomical Twilight 5:59 AM EST 7:50 PM EST
Moon 11:35 AM EST (2/17) 1:03 AM EST (2/17)
Length of Visible Light 11h 52m
Length of Day
11h 01m
Waxing Crescent, 49% of the Moon is Illuminated
Feb 17
Waxing Crescent
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 26.1 °F 20.5 °F 12.9 °F 58% 30.21 in 10.0 mi NW 4.6 mph - N/A   Clear
1:53 AM 25.0 °F 20.7 °F 16.0 °F 69% 30.22 in 10.0 mi WNW 3.5 mph - N/A   Clear
2:53 AM 25.0 °F - 16.0 °F 69% 30.22 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 23.0 °F 17.0 °F 16.0 °F 74% 30.22 in 10.0 mi West 4.6 mph - N/A   Clear
4:53 AM 23.0 °F - 16.0 °F 74% 30.23 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 21.9 °F - 16.0 °F 78% 30.25 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 21.2 °F - 15.8 °F 80% 30.24 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 21.2 °F - 17.6 °F 86% 30.26 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 26.1 °F 21.9 °F 17.1 °F 69% 30.31 in 10.0 mi SSW 3.5 mph - N/A   Clear
9:53 AM 32.0 °F - 14.0 °F 48% 30.32 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 37.0 °F 33.3 °F 14.0 °F 39% 30.32 in 10.0 mi Variable 4.6 mph - N/A   Partly Cloudy
11:53 AM 39.9 °F 32.5 °F 12.0 °F 32% 30.31 in 10.0 mi NNW 12.7 mph 20.7 mph N/A   Partly Cloudy
12:53 PM 41.0 °F 36.4 °F 12.0 °F 31% 30.29 in 10.0 mi WNW 6.9 mph - N/A   Partly Cloudy
1:53 PM 42.1 °F - 12.0 °F 29% 30.26 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:53 PM 46.0 °F - 10.9 °F 24% 30.24 in 10.0 mi Calm Calm - N/A   Scattered Clouds
3:53 PM 46.9 °F - 12.0 °F 24% 30.23 in 10.0 mi NW 6.9 mph - N/A   Scattered Clouds
4:53 PM 46.0 °F 44.8 °F 12.0 °F 25% 30.23 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
5:53 PM 45.0 °F - 12.9 °F 27% 30.23 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:53 PM 42.8 °F - 15.8 °F 34% 30.23 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:53 PM 39.0 °F - 19.9 °F 46% 30.25 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:53 PM 37.0 °F - 19.9 °F 50% 30.26 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:53 PM 33.1 °F - 21.9 °F 64% 30.27 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:53 PM 30.9 °F - 25.0 °F 79% 30.28 in 10.0 mi Calm Calm - N/A   Scattered Clouds